C3123223313331322121111331333133313231333132212111111221123131131   >>    C312322331333132212111133133313331323133313221211111122112313113   <<    C3123223313331322121111331333133313231333132212111111221123131133   >>      C3123223313331322121111331333133313231333132212111111221123131132   >>