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

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

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

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

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