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