C1111121111331311211331333133313231333132211312111133132322121321   >>    C111112111133131121133133313331323133313221131211113313232212132   <<    C1111121111331311211331333133313231333132211312111133132322121323   >>      C1111121111331311211331333133313231333132211312111133132322121322   >>