C31232233133313221211113313331333132313331322121111121111332323321221   >>    C3123223313331322121111331333133313231333132212111112111133232332122   <<    C31232233133313221211113313331333132313331322121111121111332323321223   >>      C31232233133313221211113313331333132313331322121111121111332323321222   >>