C3123223313331322121111331333133313231333132212111112113313231312112131   >>    C312322331333132212111133133313331323133313221211111211331323131211213   <<    C3123223313331322121111331333133313231333132212111112113313231312112133   >>      C3123223313331322121111331333133313231333132212111112113313231312112132   >>