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