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

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

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

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

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