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

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

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

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

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