C3123223313331322121111331333133313231333132212111111221123223312111   >>    C312322331333132212111133133313331323133313221211111122112322331211   <<    C3123223313331322121111331333133313231333132212111111221123223312113   >>      C3123223313331322121111331333133313231333132212111111221123223312112   >>