C312322331333132212111133133313331323133312111133133313123133111   >>    C31232233133313221211113313331333132313331211113313331312313311   <<    C312322331333132212111133133313331323133312111133133313123133113   >>      C312322331333132212111133133313331323133312111133133313123133112   >>