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