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

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

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

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

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