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