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