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

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

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

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

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