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