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