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

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

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

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

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