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

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

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

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

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