C312322331333132212111133133313331323133312111133133313311223331121   >>    C31232233133313221211113313331333132313331211113313331331122333112   <<    C312322331333132212111133133313331323133312111133133313311223331123   >>      C312322331333132212111133133313331323133312111133133313311223331122   >>