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

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

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

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

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