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