Number of solutions by position of X-piece:
 







11














21














42







 
 
 Total number of solutions: 74
 
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11






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14






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27






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40






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41






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42






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43






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44






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45






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46






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48






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49






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50






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51






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52






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53






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56






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58






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59






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60






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61






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62






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63






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64






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69






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70






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71






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3







74






3







 
 View all 74 solutions as a text file…
 View all 59 connections between the solutions as a text file…