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