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