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

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

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

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

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