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

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

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

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

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