C312322331333132212111133133313331323133313221211111211111133231111   >>    C31232233133313221211113313331333132313331322121111121111113323111   <<    C312322331333132212111133133313331323133313221211111211111133231113   >>      C312322331333132212111133133313331323133313221211111211111133231112   >>