C1111133313331323223313331333133313231333131133132313331323222321   >>    C111113331333132322331333133313331323133313113313231333132322232   <<    C1111133313331323223313331333133313231333131133132313331323222323   >>      C1111133313331323223313331333133313231333131133132313331323222322   >>