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

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

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

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

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