C312322331333132212111133133313331333133312121111331211111211111133222321323231   >>    C31232233133313221211113313331333133313331212111133121111121111113322232132323   <<    C312322331333132212111133133313331333133312121111331211111211111133222321323233   >>      C312322331333132212111133133313331333133312121111331211111211111133222321323232   >>