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