C22121233131323223313233313231133132333133313232233132311211321   >>    C2212123313132322331323331323113313233313331323223313231121132   <<    C22121233131323223313233313231133132333133313232233132311211323   >>      C22121233131323223313233313231133132333133313232233132311211322   >>