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