C312322331333132212111133133313331333133312121111331211111121333131123321   >>    C31232233133313221211113313331333133313331212111133121111112133313112332   <<    C312322331333132212111133133313331333133312121111331211111121333131123323   >>      C312322331333132212111133133313331333133312121111331211111121333131123322   >>