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

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

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

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

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