C312322331333132212111133133313331333133312121111331333131112221   >>    C31232233133313221211113313331333133313331212111133133313111222   <<    C312322331333132212111133133313331333133312121111331333131112223   >>      C312322331333132212111133133313331333133312121111331333131112222   >>