C312322331333132212111133133313331333133312121111331333131312221   >>    C31232233133313221211113313331333133313331212111133133313131222   <<    C312322331333132212111133133313331333133312121111331333131312223   >>      C312322331333132212111133133313331333133312121111331333131312222   >>