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

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

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

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

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