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

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

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

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

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