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