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

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

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

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

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