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

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

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

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

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