C312322331333132212111133133313331323133313221211113313331313231333112112211331   >>    C31232233133313221211113313331333132313331322121111331333131323133311211221133   <<    C312322331333132212111133133313331323133313221211113313331313231333112112211333   >>      C312322331333132212111133133313331323133313221211113313331313231333112112211332   >>