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

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

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

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

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