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

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

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

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

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