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

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

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

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

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