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

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

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

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

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