1.L1 2.L3 3.L1K2K3 4.L3K4L4 5.K3J4H7 6.L4K3J3 7.J4I3I4 8.J3I2H2 9.K2J2J3 10.H2I1J1 11.I4H3K2 12.I2H1K1 13.I3H2L2 14.K3J4L1 15.H3G2G1 16.H1I2I4 17.H2G3G4 18.K4J5G5 19.H7G6E5 20.G5F6F7 21.E5F4G7 22.F6F5G5 23.F4E5E7 24.F7E6F6 25.E7D6D5 26.E6F7F8 27.G7G8D7 28.I4I5H5 29.G8F9D8 30.J4K5F11 31.G6G7D9 32.F11E10D10 33.D8E9F10 34.D10E11E12 35.G7H8F11 36.E11F12G12 37.E9D10D12 38.E10D11E11 39.D10C11C12 40.F7E8D8 41.D9C8C7 42.E8D9D10 43.C11B10C10 44.D8C9B9 45.B10A9A10 46.D10C11A11 47.C12B11B10 48.A11B12C12 49.F10G11A11 50.F8G9A12 51.G11H12H11 52.D9E10E9 53.D6E7F7 54.F6G7G8 55.E7F8F10 56.F5G6G10 57.E5F6G11 58.G6F5E5 59.G3F4D4 60.C9D8E8 61.F6E7E4 62.B9B8G3 63.C8B7E2 64.B8A7F3 65.C7D6E3 66.F5G6G13 67.G1F2H13 68.F1 69.G1