C3123223313331322121111331333133313231333132212111112133313112121   >>    C312322331333132212111133133313331323133313221211111213331311212   <<    C3123223313331322121111331333133313231333132212111112133313112123   >>      C3123223313331322121111331333133313231333132212111112133313112122   >>