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

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

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

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

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