(0 19 16)(1 20 3)(2 6 4)(5 9 8)(7 18 15 12 10)(11 21 17 14 13)
ALLOWS (11/8)-SEQUENCE
1: (0 2 16)
(0)(1 20 3)(2 19 16 6 4)(5 9 8)(7 18 15 12 10)(11 21 17 14 13)
2: (1 20 3)
(0)(1)(2 19 16 6 4)(3)(5 9 8)(7 18 15 12 10)(11 21 17 14 13)(20)
3: (14 21 17)
(0)(1)(2 19 16 6 4)(3)(5 9 8)(7 18 15 12 10)(11 21 13)(14)(17)(20)
4: (2 19 4)
(0)(1)(2)(3)(4 16 6)(5 9 8)(7 18 15 12 10)(11 21 13)(14)(17)(19)(20)