C312322331333132212111133133313331312111133132233132322331333112323231   >>    C31232233133313221211113313331333131211113313223313232233133311232323   <<    C312322331333132212111133133313331312111133132233132322331333112323233   >>      C312322331333132212111133133313331312111133132233132322331333112323232   >>