(0 7 5)(1 19 17)(2 15 4)(3 20 8)(6 12 9)(10 13 11)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (8 18 20)
(0 7 5)(1 19 17)(2 15 4)(3 20 16 14 18)(6 12 9)(8)(10 13 11)
2: (1 19 17)
(0 7 5)(1)(2 15 4)(3 20 16 14 18)(6 12 9)(8)(10 13 11)(17)(19)
3: (3 20 16)
(0 7 5)(1)(2 15 4)(3 14 18)(6 12 9)(8)(10 13 11)(16)(17)(19)(20)
4: (2 15 4)
(0 7 5)(1)(2)(3 14 18)(4)(6 12 9)(8)(10 13 11)(15)(16)(17)(19)(20)