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