C312322331333132212111133133313331333133312121111331333132213231233131332321   >>    C31232233133313221211113313331333133313331212111133133313221323123313133232   <<    C312322331333132212111133133313331333133312121111331333132213231233131332323   >>      C312322331333132212111133133313331333133312121111331333132213231233131332322   >>