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

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

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

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

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