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

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

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

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

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