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

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

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

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

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