C312322331333132212111133133313331323133313331333133313331333112113313223221   >>    C31232233133313221211113313331333132313331333133313331333133311211331322322   <<    C312322331333132212111133133313331323133313331333133313331333112113313223223   >>      C312322331333132212111133133313331323133313331333133313331333112113313223222   >>