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

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

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

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

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