C31232233133313221211113313331333132313331322121111123313123232321   >>    C3123223313331322121111331333133313231333132212111112331312323232   <<    C31232233133313221211113313331333132313331322121111123313123232323   >>      C31232233133313221211113313331333132313331322121111123313123232322   >>