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

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

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

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

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