C31232233133313221211113313331333131211113313231333132322121331   >>    C3123223313331322121111331333133313121111331323133313232212133   <<    C31232233133313221211113313331333131211113313231333132322121333   >>      C31232233133313221211113313331333131211113313231333132322121332   >>