C31232233133313221211113313331333131211113313231333132223322131   >>    C3123223313331322121111331333133313121111331323133313222332213   <<    C31232233133313221211113313331333131211113313231333132223322133   >>      C31232233133313221211113313331333131211113313231333132223322132   >>