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

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

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

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

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