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

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

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

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

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