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

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

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

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

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