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