C31232233133313221211113313331333132313331322121111331323323223231   >>    C3123223313331322121111331333133313231333132212111133132332322323   <<    C31232233133313221211113313331333132313331322121111331323323223233   >>      C31232233133313221211113313331333132313331322121111331323323223232   >>