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

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

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

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

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