C312322331333132212111133133313331323133313331333133313331333112113122321   >>    C31232233133313221211113313331333132313331333133313331333133311211312232   <<    C312322331333132212111133133313331323133313331333133313331333112113122323   >>      C312322331333132212111133133313331323133313331333133313331333112113122322   >>