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

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

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

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

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