C3123223313331322121111331333133313231333132212111112113313231333232131111   >>    C312322331333132212111133133313331323133313221211111211331323133323213111   <<    C3123223313331322121111331333133313231333132212111112113313231333232131113   >>      C3123223313331322121111331333133313231333132212111112113313231333232131112   >>