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

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

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

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

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