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