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