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

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

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

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

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