C312322331333132212111133133313331323132322331333133312111111331322133212321   >>    C31232233133313221211113313331333132313232233133313331211111133132213321232   <<    C312322331333132212111133133313331323132322331333133312111111331322133212323   >>      C312322331333132212111133133313331323132322331333133312111111331322133212322   >>