C312322331333132212111133133313331333133312121111331333222212231   >>    C31232233133313221211113313331333133313331212111133133322221223   <<    C312322331333132212111133133313331333133312121111331333222212233   >>      C312322331333132212111133133313331333133312121111331333222212232   >>