C3123223313331322121111331333133313231333132212111112111111332321   >>    C312322331333132212111133133313331323133313221211111211111133232   <<    C3123223313331322121111331333133313231333132212111112111111332323   >>      C3123223313331322121111331333133313231333132212111112111111332322   >>