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

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

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

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

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