(0 20 5)(1 22 2)(3 23 8)(4 19 6)(7 11 9)(10 14 12)(13 17 15)(16 21 18)
ALLOWS (11/8)-SEQUENCE
1: (5 17 20)

(0 20 15 13 17)(1 22 2)(3 23 8)(4 19 6)(5)(7 11 9)(10 14 12)(16 21 18)
2: (4 19 6)

(0 20 15 13 17)(1 22 2)(3 23 8)(4)(5)(6)(7 11 9)(10 14 12)(16 21 18)(19)
3: (16 21 18)

(0 20 15 13 17)(1 22 2)(3 23 8)(4)(5)(6)(7 11 9)(10 14 12)(16)(18)(19)(21)
4: (0 20 15)

(0 13 17)(1 22 2)(3 23 8)(4)(5)(6)(7 11 9)(10 14 12)(15)(16)(18)(19)(20)(21)