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

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

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

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

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