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