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

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

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

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

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