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