C312322331333132212111133133313331323132322331333133312111111331322333221   >>    C31232233133313221211113313331333132313232233133313331211111133132233322   <<    C312322331333132212111133133313331323132322331333133312111111331322333223   >>      C312322331333132212111133133313331323132322331333133312111111331322333222   >>