C312322331333132212111133133313331333133312121111133313331313222221   >>    C31232233133313221211113313331333133313331212111113331333131322222   <<    C312322331333132212111133133313331333133312121111133313331313222223   >>      C312322331333132212111133133313331333133312121111133313331313222222   >>