C3123223313331322121111331333133313231333132212111111331323231231   >>    C312322331333132212111133133313331323133313221211111133132323123   <<    C3123223313331322121111331333133313231333132212111111331323231233   >>      C3123223313331322121111331333133313231333132212111111331323231232   >>