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