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