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