C312322331333132212111133133313331333133312121111331123133313131   >>    C31232233133313221211113313331333133313331212111133112313331313   <<    C312322331333132212111133133313331333133312121111331123133313133   >>      C312322331333132212111133133313331333133312121111331123133313132   >>