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

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

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

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

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