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

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

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

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

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