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