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