C312322331333132212111133133313331323133313221211331333132233233331   >>    C31232233133313221211113313331333132313331322121133133313223323333   <<    C312322331333132212111133133313331323133313221211331333132233233333   >>      C312322331333132212111133133313331323133313221211331333132233233332   >>