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