(0 21 5)(1 8 2)(3 6 4)(7 17 13 11 9)(10 15 12)(14 19 16)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 8 15)
(0 21 5)(1 12 10 15 2)(3 6 4)(7 17 13 11 9)(8)(14 19 16)(18 22 20)
2: (7 17 13)
(0 21 5)(1 12 10 15 2)(3 6 4)(7 11 9)(8)(13)(14 19 16)(17)(18 22 20)
3: (14 19 16)
(0 21 5)(1 12 10 15 2)(3 6 4)(7 11 9)(8)(13)(14)(16)(17)(18 22 20)(19)
4: (2 10 15)
(0 21 5)(1 12 10)(2)(3 6 4)(7 11 9)(8)(13)(14)(15)(16)(17)(18 22 20)(19)