C3123223313331322121111331333133313231333132333133313231323223213331111   >>    C312322331333132212111133133313331323133313233313331323132322321333111   <<    C3123223313331322121111331333133313231333132333133313231323223213331113   >>      C3123223313331322121111331333133313231333132333133313231323223213331112   >>