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

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

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

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

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