C312322331333132212111133133313331323133313221211111211113313121331231   >>    C31232233133313221211113313331333132313331322121111121111331312133123   <<    C312322331333132212111133133313331323133313221211111211113313121331233   >>      C312322331333132212111133133313331323133313221211111211113313121331232   >>