C3123223313331322121111331333133313231333132212111112111111322122321   >>    C312322331333132212111133133313331323133313221211111211111132212232   <<    C3123223313331322121111331333133313231333132212111112111111322122323   >>      C3123223313331322121111331333133313231333132212111112111111322122322   >>