C312322331333132212111133133313331323133313233313331333112131121   >>    C31232233133313221211113313331333132313331323331333133311213112   <<    C312322331333132212111133133313331323133313233313331333112131123   >>      C312322331333132212111133133313331323133313233313331333112131122   >>